TA9 Titanium

Update : 2026-02-25

TA9 Titanium
TA9 (Ti-0.2Pd) is a commercially pure titanium alloy with palladium addition, designed for improved corrosion resistance. It retains low density, high ductility, good formability and weldability of pure titanium, while exhibiting superior resistance to crevice corrosion and acid attack. It performs well in reducing, oxidizing and chloride-containing environments, with excellent stability in harsh chemical media. Widely used in chemical processing, marine and offshore equipment, it provides reliable service for corrosion‑critical components.
Equivalent Grade

Chinese Standard: TA9 / Ti-0.2Pd

UNS R52400

W.Nr.: 3.7235

Standard

● Sheet/Plate: GB/T 3621

Bar: GB/T 2965

Pipe/Tube: GB/T 3624

ASTM B265, ASTM B348, ASTM B338

Alloy TypeAlpha Titanium Alloy (Ti-Palladium Alloy, Corrosion-Resistant Strengthened Type)
StandardSheet, Bar, Pipe, Tube, Fittings, Flange, Welding Materials, Forgings, Heat Exchanger Tubes, Precision Pipe Fittings
Key Properties

● Extremely strong corrosion resistance; added palladium significantly improves resistance to reducing acids (hydrochloric acid, sulfuric acid), superior to pure titanium TA1-TA4

Stable mechanical properties at room and medium temperatures (≤300℃), good plasticity and excellent toughness

Good oxidation resistance, non-magnetic, and excellent biocompatibility

Excellent processability, weldable, stampable, forgeable, and corrosion resistance does not decrease after welding

Applicable EnvironmentStrong reducing acid corrosion scenarios, chemical acid-resistant equipment, seawater desalination, chlor-alkali industry, nuclear power auxiliary, medical devices
Typical ApplicationsChemical Acid-Resistant Pipelines, Hydrochloric Acid/Sulfuric Acid Storage Tanks, Heat Exchanger Tubes, Chlor-Alkali Equipment Accessories, Nuclear Power Auxiliary Pipelines, Medical Corrosion-Resistant Components, etc.


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